<template>
    <h2>Less</h2>
    <h3>Sass</h3>
    <div class="postcss"></div>
</template>
<style lang="less">
@color:red;
h2{
    color:@color;
}
</style>
<style lang="scss">
$color:green;
h3{
    color:$color;
}
</style>
<style>
.postcss{
    width:50px;
    height:50px;
    background-color: orange;
    transform: rotate(45deg);
}
</style>